United States Patent and Trademark Office OG Notices: 14 May 2002

                                    Errata

   "All reference to Patent No. 6,376,466 to Thomas A. Dix of
Mt. Pleasant, SC for POSITIVELY CHARGED NON-NATURAL AMINO ACIDS,
METHODS OF MAKING AND USING THEREOF IN PEPTIDES appearing in the
Official Gazette of April 23, 2002 should deleted since no patent was
granted."

   "All reference to Patent No. 6,377,933 to Randall B. Lauffer
of Brookline, MA for ASSISTANCE METHOD AND APPARATUS appearing in the
Official Gazette of April 23, 2002 should be deleted since no patent
was granted."

   "All reference to Patent No. 6,379,220 to Nakoi Nishio, et al
of Tokyo, Japan for METHOD OF REMOVING PARTICLES FROM STAGE AND
CLEANING PLATE appearing in the Official Gazette of April 30, 2002
should be deleted since no patent was granted."

   "All reference to Patent No. 6,379,566 to Dariusz Wodka, et
al of Zion, IL for A FILTERING DEVICE AND METHOD FOR USING SAME
appearing in the Official Gazette of April 30, 2002 should be deleted
since no patent was granted."

   "All reference to Patent No. 6,380,093 to Shengnian Song, et
al of Austin, TX for METHOD OF FABRICATING CONDUCTOR STRUCTURES WITH
METAL COMB BRIDGING AVOIDANCE appearing in the Official Gazette of
April 30, 2002 should be deleted since no patent was granted."

   "All reference to Patent No. 6,380,107 to Li-Qun Xia, et al
of San Jose, CA for THERMAL CVD PROCESS FOR DEPOSITING A LOW DIELECTRIC
CONTACT CARBON-DOPED SILICON OXIDE FILM appearing in the Official
Gazette of April 30, 2002 should be deleted since no patent was
granted."

   "All reference to Patent No. 6,381,003 to Hisaaki Oguri, et
al of Kawasaki-Ken, Japan for POSITION DETECTION APPARATUS HAVING A
PLURALITY OF DETECTION SECTIONS, AND EXPOSURE APPARATUS appearing in
the Official Gazette of April 30, 2002 should be deleted since no
patent was granted."

   "All reference to Patent No. 6,381,050 to Daniel Y.
Al-Salameh, et al of Marlboro, NJ for OPTICAL TRANSMISSION INCLUDING
OPTICAL RESTORATION appearing in the Official Gazette of April 30, 2002
should be deleted since no patent was granted."

   "All reference to Patent No. 6,381,401 to Patrick Young, et
al of San Mateo, CA for USER INTERFACE FOR TELEVISION SCHEDULE SYSTEM
appearing in the Official Gazette of April 30, 2002 should be deleted
since no patent was granted."

   "All reference to Patent No. 6,381,581 to Randall B. Lauffer
of Brookline, MA for ASSISTANCE METHOD AND APPARATUS appearing in the
Official Gazette of April 30, 2002 should be deleted since no patent
was granted."